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We investigate some of the effects of the lack of compactness in the critical Folland-Stein-Sobolev embedding in very general (possible non-smooth) domains, by proving via De Giorgi's $\Gamma$-convergence techniques that optimal functions…

Analysis of PDEs · Mathematics 2025-07-29 Giampiero Palatucci , Mirco Piccinini , Letizia Temperini

We introduce for any exponent $p>1$ the $p$-curvature functional for rectifiable curves in the two-dimensional sphere. We prove that this functional is finite and agrees with the integral of the geodesic curvature raised to the power $p$ on…

Differential Geometry · Mathematics 2025-09-12 Domenico Mucci , Alberto Saracco , Cristian Sopio

We study the Ginzburg-Landau energy of superconductors with a term $a_\ep$ modelling the pinning of vortices by impurities in the limit of a large Ginzburg-Landau parameter $\kappa=1/\ep$. The function $a_\ep$ is oscillating between 1/2 and…

Superconductivity · Physics 2016-08-31 Amandine Aftalion , Etienne Sandier , Sylvia Serfaty

We are concerned with two interrelated problems: smoothability of connection 1-forms with low regularity on bundles with prescribed smooth curvature 2-forms, and existence of isometric immersions with low regularity. We first show that if…

Differential Geometry · Mathematics 2024-04-25 Siran Li

We consider the following problem: on any given complete Riemannian manifold $(M,g)$, among all curves which have fixed length as well as fixed end-points and tangents at the end-points, minimise the $L^\infty$ norm of the curvature. We…

Differential Geometry · Mathematics 2022-02-16 Ed Gallagher , Roger Moser

The study of singular perturbations of the Dirichlet energy is at the core of the phenomenological-description paradigm in soft condensed matter. Being able to pass to the limit plays a crucial role in the understanding of the…

Analysis of PDEs · Mathematics 2017-09-19 Andres Contreras , Xavier Lamy , Rémy Rodiac

In this paper we prove the lower semicontinuity of a Neohookean-type energy for a model of Nonlinear Elasticity that allows, for the first time, for $p<n-1$. Our class of admissible deformations consists of weak limits of Sobolev $W^{1,p}$…

Analysis of PDEs · Mathematics 2025-06-17 Daniel Campbell , Anna Doležalová , Stanislav Hencl

Decomposition complexity for metric spaces was recently introduced by Guentner, Tessera, and Yu as a natural generalization of asymptotic dimension. We prove a vanishing result for the continuously controlled algebraic K-theory of bounded…

K-Theory and Homology · Mathematics 2018-05-09 Daniel A. Ramras , Romain Tessera , Guoliang Yu

We study a family of scale-invariant $p$-densities of knot types in $R^3$, defined as the ratio of length to an $L^p$-type spread of pairwise distances along a curve. The first point of the paper is that the unconstrained theory has a…

Geometric Topology · Mathematics 2026-05-01 Makoto Ozawa

Given a family of critical points $u_{\epsilon}:M^n\to\mathbb{C}$ for the complex Ginzburg--Landau energies \begin{align*} &E_\epsilon(u)=\int_{M}\left(\frac{|du|^2}{2}+\frac{(1-|u|^2)^2}{4\epsilon^2}\right), \end{align*} on a manifold $M$,…

Differential Geometry · Mathematics 2023-06-23 Alessandro Pigati , Daniel Stern

We introduce and study the $\rho$-Loewner energy, a variant of the Loewner energy with a force point on the boundary of the domain. We prove a large deviation principle for SLE$_\kappa(\rho)$, as $\kappa \to 0+$ and $\rho>-2$ is fixed, with…

Complex Variables · Mathematics 2024-10-14 Ellen Krusell

In this paper we consider global $\theta$-curvatures of finite Markov chains with associated means $\theta$ in the spirit of the entropic curvature (based on the logarithmic mean) by Erbar-Maas and Mielke. As in the case of Bakry-\'Emery…

Differential Geometry · Mathematics 2025-04-01 Supanat Kamtue , Shiping Liu , Florentin Münch , Norbert Peyerimhoff

We investigate a homogenization problem related to a non-local interface energy with a periodic forcing term. We show the existence of planelike minimizers for such energy. Moreover, we prove that, under suitable assumptions on the…

Analysis of PDEs · Mathematics 2026-01-19 Serena Dipierro , Matteo Novaga , Enrico Valdinoci , Riccardo Villa

Following a previous idea, a curved geometry is proposed as being valid in accelerated systems, in Minkowski space. The curvature turns out to be generated by the source of the accelerated motion. An exponential factor depending on $\rho$…

General Physics · Physics 2022-06-15 Hristu Culetu

We establish a quasi-monotonicity formula {for an intrinsic frequency function related to solutions to} thin obstacle problems with zero obstacle driven by quadratic energies with Sobolev $W^{1,p}$ coefficients, with $p$ bigger than the…

Analysis of PDEs · Mathematics 2024-07-24 Giovanna Andreucci , Matteo Focardi , Emanuele Spadaro

We provide necessary and sufficient conditions for the convergence of Revuz measures of finite energy integrals. More precisely, the Revuz map from the set of all smooth measures of finite energy integrals, equipped with the topology…

Probability · Mathematics 2025-07-15 Takumu Ooi

We prove the existence of solutions for the Monge minimization problem, addressed in a metric measure space $(X,d,m)$ enjoying the Riemannian curvature-dimension condition $\RCD(K,N)$, with $N < \infty$. For the first marginal measure, we…

Metric Geometry · Mathematics 2013-10-16 Fabio Cavalletti

We consider multivalued maps between $\Omega \subset \mathbb{R}^N$ open ($N \ge 2$) and a smooth, compact Riemannian manifold $\mathcal{N}$ locally minimizing the Dirichlet energy. An interior partial H\"older regularity result in the…

Analysis of PDEs · Mathematics 2014-02-13 Jonas Hirsch

We apply Colombeau-type regularization to the electromagnetic field of a point-charge and show how the Li\'{e}nard-Wiechert potential can be derived from a generalized function based on the geometry of Minkowski space. Furthermore, for a…

Mathematical Physics · Physics 2026-04-02 Guenther Hoermann , Nathalie Tassotti

After appropriate normalizations an embedded disk whose second fundamental form has large norm contains a multi-valued graph, provided the L^P norm of the mean curvature is sufficiently small. This generalizes to non-minimal surfaces a well…

Differential Geometry · Mathematics 2007-12-05 Giuseppe Tinaglia
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